ˈflekshə(r) noun
( -s )
Etymology: Latin flexura, from flexus + -ura -ure
1. : the quality or state of being flexed : turning , flection
2. : turn , bend , fold
a flexure in a rock stratum
the flexure between thigh and abdomen
3. obsolete : ability or tendency to bend : pliancy
4. : the last joint of a bird's wing
5. : the slight bending of an astronomical observing instrument caused by the weight of its parts ; also : the correction of the observed readings necessitated by this bending
6. : a deformation of an elastic body wherein all points originally in a straight line are displaced in the same plane to form a curve
7. : one of three sharp bends of the anterior part of the primary axis of the vertebrate embryo that serve to establish the relationship of the parts of the developing brain — called also in order of occurrence cephalic flexure, cranial flexure, and pontine flexure